noun🔗ShareThe univalent NH4+ cation, derived by the protonation of ammonia"The chemistry teacher explained that ammonium, formed when ammonia gains a proton, is a key ingredient in many fertilizers. "chemistrycompoundsubstancescienceChat with AIVocabulary GamePractice Reading
noun🔗Share(especially in combination) Any similar cation formed by replacing one or more hydrogen atoms with alkyl or aryl radicals"The laboratory experiment involved testing the reaction of ammonium chloride with a strong base to release ammonia gas. "compoundchemistrysubstancescienceChat with AIVocabulary GamePractice Reading
